DCA1000EVM: DCA1000EVM+AWR1843BOOST Cannot connect to SPI

I am trying to do raw data capture from AWR1843boost using the DCA1000.

I am able to connect to the device and load both the BSS and MSS firmware, but I cannot connect to SPI afterwards.

[14:39:33]  ***Script completed successfully.***
[14:47:08]  [RadarAPI]: Opening Gpio Control Port()
[14:47:08]  [RadarAPI]: Status: Passed
[14:47:09]  [RadarAPI]: Opening Board Control Port()
[14:47:09]  [RadarAPI]: Status: Passed
[14:47:10]  [RadarAPI]: ar1.FullReset()
[14:47:10]  [RadarAPI]: Status: Passed
[14:47:11]  [RadarAPI]: Closing Board Control Port()
[14:47:11]  [RadarAPI]: Status: Passed
[14:47:11]  [RadarAPI]: Closing Gpio Control Port()
[14:47:11]  [RadarAPI]: Status: Passed
[14:47:11]  [RadarAPI]: ar1.SOPControl(2)
[14:47:11]  [RadarAPI]: Status: Passed
[14:47:14]  [RadarAPI]: ar1.Connect(3,115200,1000)
[14:47:15]  [RadarAPI]: ar1.Calling_IsConnected()
[14:47:16]  [RadarAPI]: ar1.SelectChipVersion("AR1642")
[14:47:16]  [RadarAPI]: Status: Passed
[14:47:16]  [RadarAPI]: ar1.SelectChipVersion("AR1642")
[14:47:16]  [RadarAPI]: Status: Passed
[14:47:16]  [RadarAPI]: ar1.deviceVariantSelection("XWR1843")
[14:47:16]  [RadarAPI]: Status: Passed
[14:47:16]  [RadarAPI]: ar1.frequencyBandSelection("77G")
[14:47:16]  [RadarAPI]: ar1.SelectChipVersion("XWR1843")
[14:47:16]  [RadarAPI]: Status: Passed
[14:47:17]  Device Status : XWR1843/ASIL-B/SOP:2/ES:2
[14:47:17]  [RadarAPI]: ar1.SaveSettings('C:\Users\Narendiran A\AppData\Roaming\RSTD\ar1gui.ini')
[14:47:23]  [RadarAPI]: ar1.DownloadBSSFw("C:\\ti\\mmwave_studio_02_01_01_00\\mmWaveStudio\\Scripts\\..\\..\\rf_eval_firmware\\radarss\\xwr18xx_radarss.bin")
[14:47:23]  [RadarAPI]: Downloading BSS Patch RPRC Binary..
[14:47:31]  [RadarAPI]: ar1.GetBSSFwVersion()
[14:47:31]  [RadarAPI]: BSSFwVersion:(02.00.00.01 (05/10/17))
[14:47:32]  [RadarAPI]: ar1.GetBSSPatchFwVersion()
[14:47:32]  [RadarAPI]: BSSPatchFwVersion:(01.02.05.02 (30/04/19))
[14:47:34]  [RadarAPI]: ar1.DownloadMSSFw("C:\\ti\\mmwave_studio_02_01_01_00\\mmWaveStudio\\Scripts\\..\\..\\rf_eval_firmware\\masterss\\xwr18xx_masterss.bin")
[14:47:34]  [RadarAPI]: Downloading MSS RPRC Binary..
[14:47:45]  [RadarAPI]: ar1.GetMSSFwVersion()
[14:47:45]  [RadarAPI]: MSSFwVersion:(01.02.05.02 (16/07/19))
[14:48:26]  [RadarAPI]: ar1.PowerOn(0, 1000, 0, 0)
[14:48:26]  Status: Failed, Error Type: RESP TIMEOUT
[14:48:30]  MSS Power Up async event was not received!